=== modified file 'src/DescriptorSet.h'
--- src/DescriptorSet.h	2012-08-14 11:53:07 +0000
+++ src/DescriptorSet.h	2012-08-21 11:58:21 +0000
@@ -1,6 +1,7 @@
 #ifndef SQUID_DESCRIPTOR_SET_H
 #define SQUID_DESCRIPTOR_SET_H
 
+#include <iosfwd>
 
 /** \ingroup Comm